Denison ZIP Codes — Crawford County, IA

There is one unique ZIP code in Denison, Iowa and it is 51442. Area code: 712.
1
ZIP codes
159.59
sq mi land
0.13
sq mi water
712
area code
Denison, IA ZIP code map

About Denison, IA

Denison, Iowa, is a quaint city located in Crawford County, recognized for its rich cultural heritage and welcoming community. It offers a blend of historical charm and modern conveniences, making it an attractive destination for residents and visitors alike. With a dedication to community service and a variety of local events, Denison fosters a spirit of togetherness among its inhabitants.

Location & geography

Denison is strategically situated in the western part of Iowa, providing easy access to the surrounding areas. It is approximately 27 miles from Harlan, 36 miles from Carroll, and 52 miles from Sioux City, placing it within reach of several larger cities. Covering a land area of 159.59 square miles, Denison also includes a modest water area of 0.13 square miles, characterized by gentle rolling terrain and views of nearby rivers.

Community & economy

The character of Denison is shaped by its close-knit community, where residents often engage in various local events and programs. The city's economy is supported primarily by agriculture and manufacturing, providing a stable foundation for daily life. Denison's vibrant downtown area features a mix of local shops, restaurants, and cultural venues, enhancing the experience for both locals and visitors.

Transportation

Denison is conveniently accessible via U.S. Highway 30, which runs east to west, and Iowa Highway 39, connecting the city to nearby regions. The closest major airport is Eppley Airfield in Omaha, Nebraska, located around 90 miles away, while local transit options provide residents with connectivity within the city. This accessibility enhances Denison's appeal as a place to live and visit.

History

Denison was founded in the mid-1850s and quickly developed as a prominent trade center in Crawford County. The city historically thrived on industries like agriculture and food processing, which remain vital to its economy today. Over the years, Denison has hosted various notable events, contributing to its rich historical narrative.

Did you know?

A surprising fact about Denison is that it was home to the first Hardee's franchise in the state of Iowa. Additionally, this city has been the site of many cultural events, celebrating its rich heritage and community spirit.

ZIP codes for Denison, IA (1)
ZIP code City County Map
51442 Denison Crawford View map

Demographics & statistics

9,648
Population
34.7
Median age
$59,325
Median household income
$27,054
Per capita income
$123,600
Median home value
$775
Median monthly rent
69.5%
Home ownership
21.1%
Poverty rate
5.4%
Unemployment
2,658
Housing units
15.0%
Bachelor's or higher

Age distribution

Male Female
246
Under 5
271
350
5–9
385
350
10–14
385
397
15–19
436
375
20–24
412
612
25–34
673
622
35–44
683
431
45–54
474
318
55–59
349
218
60–64
239
368
65–74
405
253
75–84
277
57
85+
62
← Male
Female →

Age summary

GroupCount%
Under 182,55026.4%
18 and over7,09873.6%
65 and over1,42214.7%
Median age34.7 years

Race & ethnicity

White 54%
Hispanic or Latino 19%
Two or more races 12.2%
Other race 9.1%
Black or African American 2.9%
Asian 2.7%
American Indian / Alaska Native 0.1%
GroupCount%
White6,43254%
Hispanic or Latino2,26219%
Two or more races1,45012.2%
Other race1,0849.1%
Black or African American3442.9%
Asian3272.7%
American Indian / Alaska Native110.1%

Household income

Under $10k 9.1%
$10k–$15k 1.4%
$15k–$25k 12.8%
$25k–$35k 9.7%
$35k–$50k 10.7%
$50k–$75k 19.5%
$75k–$100k 10.3%
$100k–$150k 17.7%
$150k–$200k 3.7%
$200k+ 5.1%
Range% of households
Under $10k9.1%
$10k–$15k1.4%
$15k–$25k12.8%
$25k–$35k9.7%
$35k–$50k10.7%
$50k–$75k19.5%
$75k–$100k10.3%
$100k–$150k17.7%
$150k–$200k3.7%
$200k+5.1%
Median income$59,325

Housing

Home values

Under $50k 22.8%
$50k–$100k 19.0%
$100k–$150k 19.9%
$150k–$200k 17.8%
$200k–$300k 12.8%
$300k–$500k 5.2%
$500k–$1M 2.4%

Housing overview

MetricValue
Median home value$123,600
Median rent / month$775
Owner occupied69.5%
Renter occupied30.5%
Vacant6.8%
Single-family detached66.7%
Large apartment buildings4.0%
Mobile homes11.9%
Median rooms5.8
Avg household size (owned)2.73

Year built

Era%
2020 or later0.0%
2010–20192.3%
2000–20093.7%
1990–19996.3%
1980–198914.1%
1970–197925.9%
1960–19698.5%
1950–19595.3%
1940–19496.4%
1939 or earlier27.6%

Bedrooms

Size% of units
No bedroom (studio)1.5%
1 bedroom3.1%
2 bedrooms21.7%
3 bedrooms47.7%
4 bedrooms22.3%
5+ bedrooms3.7%

Vehicles per household

Vehicles% of households
No vehicle6.5%
1 vehicle23.6%
2 vehicles43.9%
3 or more26.0%

Heating fuel

Fuel type%
Utility gas51.0%
Electricity40.4%
Propane / LP gas6.7%
Fuel oil0.8%
Wood0.4%

Households & families

Household typeCount%
Married-couple family1,64247.5%
Cohabiting couple37010.7%
Male householder, no spouse52415.1%
Female householder, no spouse92326.7%
Households with children under 181,48743.0%
Households with seniors (65+)1,09331.6%
Average household size2.64

Marital status

StatusMaleFemale
Never married31.6%32.0%
Married48.0%45.7%
Separated1.8%1.9%
Widowed4.6%8.7%
Divorced13.8%11.8%

Education

Less than 9th grade 13.5%
Some HS, no diploma 10.9%
HS graduate 29.6%
Some college, no degree 21.0%
Associate's degree 10.0%
Bachelor's degree 11.9%
Graduate / professional 3.1%
Metric%
HS diploma or higher75.6%
Bachelor's or higher15.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1465.2%
Kindergarten1324.7%
Elementary school1,08838.7%
High school78327.8%
College / grad school66523.6%

Employment

Industry of employment

Manufacturing 25.4%
Education & healthcare 21.2%
Retail trade 10.6%
Professional & management 7.4%
Construction 6.8%
Arts, food & hospitality 6.5%
Other services 5.8%
Finance & real estate 4.3%
Agriculture & mining 4.1%
Wholesale trade 3.2%
Transportation & utilities 2.9%
Public administration 1.2%
Information 0.5%

Occupation

Category%
Management, business & arts15.2%
Service20.3%
Sales & office21.0%
Natural resources & construction9.8%
Production & transportation33.7%

Employment type

Type%
Private sector75.3%
Government9.8%
Self-employed14.8%
Unpaid family workers0.1%

Commute

Method%
Drive alone72.9%
Carpool14.7%
Public transit4.8%
Walk2.3%
Other means0.5%
Avg commute (minutes)13.6

Poverty

All people 21.1%
Under 18 years 29.6%
18 and over 18.0%
Married-couple families 3.3%
Female-led households 56.7%

Income support

Source% of households
Social Security32.0%
Retirement income19.7%
Supplemental Security3.1%
Cash public assistance0.4%
Food stamps / SNAP9.3%

Health indicators

Condition%
High blood pressure32.4%
High cholesterol35.1%
Heart disease7.3%
Stroke3.5%
Asthma9.5%
Arthritis23.6%
Kidney disease3.2%
Pulmonary disease7.8%
Cancer6.4%
Behavior / access%
Binge drinking20.4%
No physical activity32.7%
Less than 7 hrs sleep32.3%
Fair or poor health17.7%
Poor mental health14.3%
Poor physical health11.4%
No health insurance19.1%
Visited doctor (checkup)72.1%
Visited dentist58.3%
Cholesterol screening84.8%
Teeth loss19.5%

Veterans & disability

VeteransCount%
Civilian veterans2693.8%
Disability%
Any disability15.6%
Under 1811.5%
18–64 years12.2%
65 and over38.6%

Health insurance coverage

Type%
Private insurance59.9%
Public insurance38.7%
Uninsured under 193.7%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only9,13194.6%
Spanish1,77319.4%
Other Indo-European1,61517.7%
Asian & Pacific Islander00.0%
Other languages790.9%

Place of birth & citizenship

OriginCount%
Native born (US)7,37676.5%
Born in same state7,22274.9%
Born in different state4,42045.8%
Foreign born1541.6%
Naturalized citizen2,27223.5%
Not a US citizen1,05346.3%

Ancestry

AncestryCount%
French5245.4%
Italian3253.4%
Dutch2232.3%
Arab2152.2%
English700.7%
AncestryCount%
Polish390.4%
Norwegian200.2%
German170.2%
Irish30%

Technology access

Metric% of households
Computer access35.9%
Internet access92.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Denison, IA have?
Denison, IA has one ZIP code: 51442. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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